For known but uncontrollable nuisance factors, which of the following method can we use for processing and analysis.
A: Randomization
B: Covariance analysis
C: Block design
D: None
A: Randomization
B: Covariance analysis
C: Block design
D: None
举一反三
- Which of the following is the correct order of phases in the systems development life cycle? A: analysis, planning, design, implementation B: analysis, design, planning, implementation C: planning, analysis, design, implementation D: design, analysis, planning, implementation
- Compared with randomized complete design and analysis of variance, random block design and analysis of variance has( ). A: more source of variations B: smaller errors C: lower efficiency D: None
- Which of the following items is not a method of economic evaluation? A: cost minimization analysis B: cost-benefit analysis C: cost- effectiveness analysis D: cost-utility analysis E: cost analysis
- Object-oriented analysis and design are two important phases in software development， _______ of the following doesn’t belong to object –oriented analysis. A: Construct analysis model B: Identify analysis classes C: Determine interface specification D: Evaluate analysis model
- In this unit, we have learned three types of analysis: process analysis, rhetorical analysis and _____________ analysis.